Home / 614,330.34-921,910.70-214,974.57

Finding the Fourth Proportional to 614,330.34, 921,910.70 and 214,974.57

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Solution

The fourth proportional to 614,330.34, 921,910.70 and 214,974.57 is: 322,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,330.34 : 921,910.70 = 214,974.57 : x
  2. Step 2: Convert to fraction form
    614,330.34/921,910.70 = 214,974.57/x
  3. Step 3: Cross multiply
    614,330.34x = 921,910.70 × 214,974.57
  4. Step 4: Simplify right side
    614,330.34x = 198,187,356,310.90
  5. Step 5: Solve for x
    x = 198,187,356,310.90/614,330.34
  6. Step 6: Final answer
    x = 322,607.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.